Evaluation of NOx in the Cardiovascular System : Relationship to NO-Related Compounds In Vivo

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Diverse attention should be paid to evaluating NOx (NO<SUB>2</SUB><SUP>-</SUP> and NO<SUB>3</SUB><SUP>-</SUP>) in plasma as an index of endothelial nitric oxide (NO) formation in vivo. Nitric oxide, which subsequently appears as NOx, originates from different types of NO synthase and from nonenzymatic reactions. NOx also comes from exogenous sources such as food and gastrointestinal microorganisms. The fate of the NO incorporated into activation of guanylate cyclase, formation of nitrosyl hemoglobin (or nitrosohemoglobin), nitrosothiols, peroxynitrite and its derivatives and other possible compounds is not clear at present. However, some of these compounds would produce NOx as by-products or as final products through metabolism. Therefore, plasma NOx contains information about these pathways, although how extensively these factors contribute to plasma NOx has not been quantitatively defined. A theoretical simulation of NOx in the systemic circulation indicates that only small changes are expected by inhibition or stimulation of endothelial NO production. Measuring NOx production during coronary circulation has the advantage that some degree of NOx accumulation is expected from intact endothelial cells because an excretion system is absent in the heart.

収録刊行物

  • The Japanese journal of pharmacology

    The Japanese journal of pharmacology 81(4), 317-323, 1999-12-01

    The Japanese Pharmacological Society

参考文献:  34件中 1-34件 を表示

被引用文献:  2件中 1-2件 を表示

各種コード

  • NII論文ID(NAID)
    10008197395
  • NII書誌ID(NCID)
    AA00691188
  • 本文言語コード
    ENG
  • 資料種別
    REV
  • ISSN
    00215198
  • NDL 記事登録ID
    4948471
  • NDL 雑誌分類
    ZS51(科学技術--薬学)
  • NDL 請求記号
    Z53-D199
  • データ提供元
    CJP書誌  CJP引用  NDL  J-STAGE 
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